白はく色しょく瞳どう孔こうMeanings1nounleukocoria; white pupilMedical term for an abnormal white reflection from the pupil, often a sign of serious eye conditions such as retinoblastoma or congenital cataract.白はく色しょく瞳どう孔こうは、小しょう児にの眼がん疾しっ患かんの重じゅう要ような兆ちょう候こうの一ひとつです。Leukocoria is one of the important signs of pediatric eye disease.